diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53b6f82b..f6a0c2b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
         run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
 
       - name: 'Setup data cache'
-        uses: actions/cache@v5.0.5
+        uses: actions/cache@v6.1.0
         with:
           path: src/.observablehq/cache
           key: data-${{ hashFiles('src/data/*') }}-${{ steps.date.outputs.date }}